SIMATIC S7-400H
Near transceiver for S7-400H/F/FH redundant CPU synchronization using fiber-optic patch cables up to 10 meters.
Siemens 6ES7960-1AA04-0XA0 is a V4 synchronization module for SIMATIC S7-400H, S7-400F and S7-400FH redundant systems. Siemens identifies it as a near transceiver for synchronization links using patch cables up to 10 m.
The module is installed with the corresponding H-system CPU architecture and obtains its operating supply from the CPU. Replacement requires matching the complete order number, V4 hardware, partner synchronization module, fiber cable length and CPU system release.
| Commercial field | Verified status |
|---|---|
| Manufacturer | Siemens |
| Complete part number | 6ES7960-1AA04-0XA0 |
| Product lifecycle | Prod. Discont. |
| PLM effective date | No date is stated on the current exact Siemens product page |
| Official designation | S7 synchronization module V4 |
| Replacement status | Siemens states no replacement product |
| Country of origin | Germany |
| Technical field | Manufacturer data |
|---|---|
| Automation system | SIMATIC S7-400H/F/FH |
| Module function | Redundant CPU synchronization |
| Transceiver type | Near transceiver |
| Hardware version | V4 |
| Supported link | Fiber-optic patch cable up to 10 m |
| Power source | Supplied by the CPU; no separate field supply |
| Input current from CPU | Maximum 210 mA |
| Typical power loss | 1.1 W |
| Dimensions (W × H × D) | 25 × 53 × 140 mm |
| Device weight | Approx. 65 g |
| Package dimensions | 21.1 × 11.8 × 4.3 cm |
| Siemens net weight | 0.118 kg for this exact order number |
| Application | Fit and use |
|---|---|
| Redundant controller coupling | Maintains synchronization between paired S7-400H CPUs. |
| Fail-safe redundant systems | Supports S7-400F/FH architectures where synchronized CPU operation is required. |
| Short fiber synchronization links | Designed for near-transceiver patch-cable connections up to 10 m. |
| Legacy system maintenance | Provides an exact V4 spare when an installed H-system must retain its qualified configuration. |
Siemens currently marks the exact 6ES7960-1AA04-0XA0 as Prod. Discont. and states that the product was cancelled without replacement. Maintain the qualified V4 synchronization configuration or perform a full redundant-system migration assessment.
It is a V4 synchronization module used as a near transceiver in SIMATIC S7-400H/F/FH redundant systems.
Siemens specifies fiber-optic patch-cable links up to 10 meters for this near-transceiver version.
No separate field supply is specified; the module is powered from the associated CPU.
The current exact product page states that it was cancelled without a replacement product.
Match the complete code, V4 hardware, CPU and firmware, partner module, optical connector condition and patch-cable length.
Send the complete part number, quantity and installed-system details for stock verification, compatibility review, global delivery planning and warranty confirmation.
6ES7960-1AA04-0XA0
Practical support for identification, compatibility review, sourcing, inspection, packing and global industrial spare-parts delivery.
Our team reviews the complete order code, requested quantity, destination and documentation needs.
Nameplates, interface panels, terminals, firmware labels and physical condition can be checked before approval.
Industrial electronics are packed for international transit with shipment records and delivery coordination.
| Stage | What we review |
|---|---|
| 1. Request assessment | Complete part number, quantity, required condition, destination and timing. |
| 2. Identity evidence | Readable nameplate, suffix, firmware, connectors, storage media and housing condition. |
| 3. Compatibility check | Installed system, interface configuration, engineering software, power and mechanical fit. |
| 4. Delivery preparation | Packing, shipping documentation, warranty statement and worldwide logistics coordination. |
We can review long industrial order numbers, hardware revisions, suffixes and accessory requirements so the inquiry is tied to the installed configuration rather than only the product family.
Where the manufacturer publishes lifecycle or successor information, we present the original status wording and flag the system checks required before migration.
Available inspection evidence may include nameplate, connector, terminal, storage-media and housing photographs. Documentation requests can be coordinated with the order review.
Orders can be prepared for international shipment with protective packing appropriate to industrial electronics, tracking coordination and stated warranty terms.
Send the complete part number, clear nameplate photos, firmware or software version, installed system, required quantity, destination country and any deadline.
A mixed-brand reference list for maintenance and procurement teams. Each part number must be checked independently for function and compatibility.
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